Worm Holes are essentially living tunnels which connect two points in the world together. They appear as mouths in the ground which open when approached. When the option Jump in Worm Hole is selected, the character will leap inside and be spat out the other end after a brief delay. There are multiple Worm Holes in most worlds and they always connect the same two places on the map. Often they will end in two completely different areas with different resources, such as a Forest (with lots of Trees) and a Savanna (with lots of Grass and Boulders).

Traveling through a Worm Hole causes a Sanity loss of 15. Sanity can be quickly drained by repeatedly jumping into them. Smallbirds, Pigs, Mandrakes and other followers will follow any Characters through a worm Hole, as will Chester if the Eye Bone is in your inventory. Many objects, such as Food, Gravedigger Items, and Wooden Thing components can be dropped into the Worm Hole, and will be spat out the other end.

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Tips

• Worm Holes are an effective way to escape from dangerous enemies, such as a Deerclops, a large pack of Hounds, or MacTusk.
  
• Build your settlement next to a Worm Hole for quick travel to another biome/area.
  
• If you use a Worm Hole to escape from a hostile mob, it will be waiting for you there until you return. If you find yourself unprepared to deal with a tough mob (such as a Hound attack), this can be a good way to temporarily escape.
  
• Make sure to note the positions and links between wormholes, to avoid confusion/wasted time.
• This is more important during winter, because mistakes are more costly.
  
• A good thing to do with a wormhole camp is to have fire pits, science machines, and other structures on both sides. That way if Deerclops comes, you will have a backup base.